South Korea
PF Score
58
Authority × 0.6 + Reach × 0.4
Authority Score
68
Capacity to coerce
Reach Score
42
Influence projection
Score Trajectory
South Korea sits structurally between Germany (Authority 79, PF 72) and Saudi Arabia (Authority 58, PF 56) on the anchor table — a consolidated liberal democracy with strong institutions, an effective…
South Korea at 74/52/65 scores the same authority as the Israel anchor and above the India anchor (68/52/62), which overstates its independent power. South Korea's authority is significantly constrain…
South Korea sits structurally between India (Authority 68, Reach 52) and Israel (Authority 72, Reach 68) on the anchor table — a consolidated liberal democracy with strong institutional coherence, eff…
South Korea sits well above Pakistan (Authority 48) and below China (Authority 75) — a consolidated democracy with strong institutional depth, a capable military, and effective internal governance, wa…
Score Reasoning
South Korea sits well above Pakistan (Authority 48) and below China (Authority 75) — a consolidated democracy with strong institutional depth, a capable military, and effective internal governance, warranting Authority 68 despite the THAAD removal creating a modest security gap. On Reach, South Korea has meaningful but structurally limited external influence: significant economic footprint (top-15 GDP, leading semiconductor and defense exports), growing arms sales to Europe and the Middle East, and active diplomacy — but its external projection remains regionally bounded and heavily dependent on the U.S. security umbrella; the asset redeployment event signals a widening of the structural exposure, as THAAD removal degrades deterrence credibility and forces Seoul into a more defensive posture, compressing available diplomatic bandwidth and signaling vulnerability to regional rivals. Reach 42 places South Korea comfortably above Pakistan (38) while reflecting that its external influence, though real, is not force-projection-grade and is being further constrained by U.S. Indo-Pacific drawdown — well within the patron ceiling of 79.
Recent Events
U.S. Military Asset Redeployment from Asia to Middle East During Iran War
Mar 2026The ongoing U.S. war with Iran has triggered a significant reallocation of American military assets — including a carrier strike group, Patriot missile batteries, and THAAD interceptors — away from the Indo-Pacific toward the Middle East. The removal of THAAD components from South Korea is particularly symbolically and operationally significant, as it degrades South Korea's ballistic missile defense architecture at a moment of persistent North Korean threat. Asian partners are interpreting this redeployment not as a temporary operational adjustment but as a structural signal about U.S. prioritization. Rising oil prices driven by the conflict are simultaneously weakening Asian economies, creating an opening for China to position itself as the more stable regional partner. The cumulative effect is a degradation of U.S. extended deterrence credibility across the Indo-Pacific at a moment when Chinese maritime assertiveness near Taiwan continues unabated.